Asteroid 2011 AG5 could pose a threat to our planet in 28 years, but we have time to do something about it.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/fNloPCVpNks" height="1" width="1"/>
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Asteroid 2011 AG5 could pose a threat to our planet in 28 years, but we have time to do something about it.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/fNloPCVpNks" height="1" width="1"/>